Geosynthetics, Geoinvestigations, Analysis and Repairs. Advances in Pile Foundations, and Foundation Failure. Hunan, China.

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1 Advances in Pile Foundations, Geosynthetics, Geoinvestigations, and Foundation Failure Analysis and Repairs Selected Papers from the GeoHunan 2011 International Conference Geotechnical Special Publication No. 220 Hunan, China 9-11 June 2011 Editors: Adam F. Sevi Jiuyuan Liu Cheng-wei Chen Sao-Jeng Chao ISBN:

2 GSP 220 Table of Contents 1 Discussion on Calculation Method for Side Friction of Mixing Pile with Stiffness Core under Subgrade Chang-cun Gu, Hua-shun Chen, and Yuan-kui Sun HResearch of the Rational Taper Angle Scope in the Composite Foundation with Rammed Soil- Cement Tapered Piles Jie Liu, Jie He, and Yin-xiang Wang 21 Study on the Settlement Calculation Method of Single Y-Section Pile Xin-quan Wang, Y. H. Chen, and X. Zhou 31 Analysis of Plastic Tube on Plastic Tube Cast-in-Place Concrete Pile Y. H. Chen, Xin-quan Wang, C. G. Qi, and L. Chen 39m Situ Tests on Cast-in-Place Concrete X-Section Pile for Bearing Capacity of Single-Pile Composite Foundation Yaru Lv, Xuanming Ding, and Hanlong Liu 48Study on Bearing Coefficient of Cement-Soil Pile Composition Foundation Qing-guang Yang 56Mechanism and Assessment of Interface Shear between Steel Pipe Pile and Sand Feng Yu and Jun Yang 65 Analytical Solution of Wave Propagation in Large-Diameter Piles for Low Strain Integrity Testing Xuanming Ding, Hanlong Liu, and Yumin Chen 75A Simplified Method for Calculating Ultimate Bearing Capacity of Cast-in-Place Concrete Pipe Pile with Large Diameter in Sandy Soil Jianwei Zhang, Hanlong Liu, and Gui Yang 82In Situ Test of Cement-Flyash-Gravel Pile Composite Foundation for Passenger Dedicated Line Li-min Wei, Qun He, and Zhi-guang Guo 90Analvsis of Settlement Induced by Dissipation of the Excess Pore Water Pressure Due to Piling in Soft Clay

3 Hongyuan Fu and Xiaoyu Lou 100A Model Test on Buried Pipeline Crossing Xi'an Ground Fissures Hongjia Liu, Yuming Men, Liangxia Cheng, Jianbin Pen, Qiangbin Huang, and Nina Liu 109Failure Envelope of Pipe Pile Foundation under Combined Loading Qinglai Fan and Xiangbo Meng 117Research on the Construction of Ultra-Long Bored Cast-in-Situ Piles in Lake Region GuoYuan Chen, Liu Feng, LiMin Wei, and Tao Chang 126Practical Variational Analysis on Vertical Behavior of Jet Grouting Soil-Cement-Pile Strengthened Pile Lianwei Ren and Guangyong Wang 135Three-Dimensional FEM Analysis of Bridge Pile Group Settlement in Soft Soils Fuchun Xue, Jianlin Ma, and Liping Yan 144Back Analysis of Static Pile Load Test for SPT-Based Pile Design: A Singapore Experience Daping Xiao and Hong Yang 153Driven Pile Control and OA/OC within First Order Reliability Framework Luo Yang and Robert Y. Liang 162Numerical Analysis of X-Section Cast-in-Place Concrete Pile Groups under Vertical Load GangQiang Kong, YuMin Chen, HanLong Liu, and Robert Y. Liang 169The Bearing Behavior of Foundation Pile Evaluated by the Mesh Free Local Petrov-Garlerkin Method He Wei 179Pile-Soil Stress Ratio of a Composite Foundation with the Driven Cast-in-Place Y Piles under Embankment Load Yue-dong Wu, Han-long Liu, Yong-hui Chen, and Shi-hua Zheng 188Creep Behavior of a Five Meter Geosynthetic Reinforced Soil Retaining Wall Sao-Jeng Chao, Nelson Chou, and Ming-Woei Chou 197Numerical Modeling of Geosynthetic-Reinforced Pile-Supported Embankment Systems Gefen Zhang and Li Yan

4 204Analyzing the Deformation Behavior of a Beam Using the Elastic Foundation Method Taking into Account the Gap in the Tensile Stress Zone Chaoyang Zhao 214Low Maintenance Track through Geosynthetic Application Seyed Farhad Eftekharzadeh 222Enhancement of Ballasted Rail Track Performance Using Geosynthetics Behzad Fatahi and Hadi Khabbaz 231 Evaluation of Connection Strength of Geogrid to Gabion Wall Cheng-Wei Chen and Amy Tang 239Theoretical Evaluation: Extenics of Rock Mass Quality in Subterranean Tunnel Zhiqiang Kang, Chunhua Hou, and Yanbo Zhang 249Venda Nova II Powerhouse Complex Geomechamcal Characterization. Numerical Modeling, and Back Analysis of Geomechanical Parameters Tiago Miranda, Luis Lamas, and Antonio Gomes Correia 259Characterization of Rock Spatial Modeling and Quick Identification of Unstable Blocks Based on a Digital Photogrammetry Shuhong Wang, Yuan Xu, Hang Zhang, Mudan Guo, Ranjith Pathegama Gamage, and Hao Yang 268Application of Ideal Point Method in Rockburst Prediction Based on Weight Back Analysis Method Daohong Qiu, Lewen Zhang, Shucai Li, and Deyong Zhang 276Study of Advance Surrounding Rock Classification Based on TSP203 and Extenics Lewen Zhang, Daohong Qiu, Shucai Li, and Deyong Zhang 285Study on Risk Evaluation Method of Water Inrush and Integrated Geological Prediction Technology in High-Risk Karst Tunnel Qingsong Zhang, Shucai Li, Yanhui Ge, Zhenhao Xu, and Rentai Liu 292Numerical Simulation Analysis for the Grouting Uplift in Different Expansion Deformation Modes You Wang, Xinghua Wang, and Min Zhang 301Influence of Lateral Erosion Depth in Basal Sand Layer on Failure Mode of Jiaohe Ruins Cliff Bingxiang Yuan, Wenwu Chen, Jinyuan Liu, and Tong Jiang

5 310Natural Hazards in Hydrocarbon Transportation Lines Jose Vicente Amortegui Gil 320Geotechnical Behavior of Shales in the Colombian Andes Mario-Camilo Torres and Juan Montero-Olarte

In-Situ Study to Assess the Quality of Pre-drilled Embedded Geotextile Gravel Grouting Pile

In-Situ Study to Assess the Quality of Pre-drilled Embedded Geotextile Gravel Grouting Pile Xinquan Wang *, Yunliang Cui, Shimin Zhang Department of Civil Engineering, Zhejiang University City College,